Charging stand



FIG. 1 is a front perspective view of the charging stand;

FIG. 2 is a front view of the charging stand;

FIG. 3 is a back view of the charging stand;

FIG. 4 is a side view of the charging stand;

FIG. 5 is a top plan view of the charging stand; and,

FIG. 6 is a bottom plan view of the charging stand.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for a charging stand, as shown and described. 